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Type: Posts; User: Jeelman

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  1. Closed: Re: Help to make circuit for Nerve Stimulation Device

    My version of popular "Amplipulse" phisiotherapeutic device. Of course user safety is not guaranteed.
    Device particularity in that it allows to assign current painlessly by the reason of use 5kHz...
  2. Closed: Re: Soldering Station 24Vcc PWM Temperature Controller with microcontroller

    or 27V x 150W can be easily obtained from HF converter (intended for 12V incandescence lamps) with rewinded secondary coil.
  3. Closed: Re: Soldering Station 24Vcc PWM Temperature Controller with microcontroller

    Hello.
    both transformers (for gate driving and power) is taken from PC power supply (built as half-bridge circuit). power transformer without any changes, gdt rewinded.
    of course also it is...
  4. Closed: Re: Soldering Station 24Vcc PWM Temperature Controller with microcontroller

    Hi, Fjpompeo.
    that is my controller for soldering iron with k-type thermocouple sensor, serving me already several years.
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    Closed: Code lock panel (stm8s003)

    dedicated as controller for toys or other not strong locks.
    controlling sequences :
    ENTER,ENTER for switch to lock condition,
    BACKSPACE for input code correction,...
  6. Closed: Re: Not complicated calculator (STM32F0, WH1602, RPN)

    version with code lock protection. "K,K,*" key sequence for activation (enter '0' key for unhooking).
  7. Closed: Re: Not complicated calculator (STM32F0, WH1602, RPN)

    version with precision adjustment
  8. Closed: Re: Not complicated calculator (STM32F0, WH1602, RPN)

    small changes in display output
  9. Closed: Re: Not complicated calculator (STM32F0, WH1602, RPN)

    Thanks, Zuisti. that is not hard when interesting.

    several words about pushbuttons keyboard - automotive foam tape over button pusher is useful for additional softness.
  10. Closed: Not complicated calculator (STM32F0, WH1602, RPN)

    that is in two version - with touch sensor grid keyboard and with pushbuttons keyboard.
    for the rest they similar - (double) variables for calculation, 15 stage for stack, 20 memory registers (also...
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